Operation CHARM
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BMW
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1988
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528e (E28) L6-2693cc 2.7L SOHC (M20)
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Technical Service Bulletins
Engine Control Module: Technical Service Bulletins
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ECM - Codes and Hardware Numbers
Instruments - Voltage Surges, Check Engine Light Circuit
ECM - Replacement Precautions, Ignition Coil(s)
ECM - Wrong Readings: Engine Speed,Load Signal,Timing
ECM - Ordering Information For Reference Chart